As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMBOUT OF MSP, CABIN CREW REPORTED SMOKE AND ODOR IN MID CABIN. FOLLOWED COM PROCEDURE WITH NO NOTICEABLE CHANGE IN CONDITION. FLIGHT RETURNED TO MSP AND LANDED WITHOUT INCIDENT. MAINTENANCE DRAINED GEARBOX AND RESERVICED. CHANGED SOCKS AND BURNED OUT PACKS. FOUND OVEN HARNESS BURNED. REPLACED HARNESS AND OVEN. RAN ENGINE WITH PACKS ON. OPERATIONAL CHECK GOOD.